Convert ounce (oz) to grain (gr).
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Grain to Ounce Converter (gr to oz)
Convert grain (gr) to ounce (oz).Unit Converter · Mass
Quick answer
1 grain (gr) is approximately equal to 0.00228571 ounces (oz). 1 ounce (oz) is equal to 437.5 grains (gr).
To convert gr to oz, multiply the value in grains by 0.0022857143 (or divide by 437.5). For example, 10 gr = 0.02285714 oz, and 100 gr = 0.22857143 oz.
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How to convert grains to ounces
How many ounces are in a grain? 1 grain is about 0.00228571 ounces. This free gr to oz converter and grain to ounce calculator gives the answer instantly for any value, and the same conversion is also written as gr to ounces.
To convert grain (gr) to ounce (oz), multiply the value in grains by 0.0022857143, or divide it by 437.5.
oz = gr × 0.0022857143
- 1
Take the value in grains
For example, 25 gr.
- 2
Multiply by 0.0022857143
25 × 0.0022857143.
- 3
Read the answer in ounces
25 gr = 0.05714286 oz.
Grain to Ounce conversion table
Common values from 1 to 1,000 grains converted to ounces.
| Grain (gr) | Ounce (oz) |
|---|---|
| 1 gr | 0.00228571 oz |
| 2 gr | 0.00457143 oz |
| 3 gr | 0.00685714 oz |
| 4 gr | 0.00914286 oz |
| 5 gr | 0.01142857 oz |
| 6 gr | 0.01371429 oz |
| 7 gr | 0.016 oz |
| 8 gr | 0.01828571 oz |
| 9 gr | 0.02057143 oz |
| 10 gr | 0.02285714 oz |
| 15 gr | 0.03428571 oz |
| 20 gr | 0.04571429 oz |
| 25 gr | 0.05714286 oz |
| Grain (gr) | Ounce (oz) |
|---|---|
| 30 gr | 0.06857143 oz |
| 40 gr | 0.09142857 oz |
| 50 gr | 0.11428571 oz |
| 60 gr | 0.13714286 oz |
| 70 gr | 0.16 oz |
| 75 gr | 0.17142857 oz |
| 80 gr | 0.18285714 oz |
| 90 gr | 0.20571429 oz |
| 100 gr | 0.22857143 oz |
| 250 gr | 0.57142857 oz |
| 500 gr | 1.14285714 oz |
| 1,000 gr | 2.28571429 oz |
About grains and ounces
Grain (gr)
A grain (gr) is about 64.8 milligrams. It is used for ammunition, archery arrows and some older pharmacy measures.
Ounce (oz)
An ounce (oz) is about 28.35 grams, or one sixteenth of a pound. It is used for food and small packages in the US.
gr to oz: common questions
- How many ounces are in 1 grain?
- 1 grain (gr) is approximately equal to 0.00228571 ounces (oz). In short: 1 gr ≈ 0.00228571 oz.
- How do I convert grains to ounces?
- To convert gr to oz, multiply the value in grains by 0.0022857143 (or divide by 437.5). For example, 5 gr = 0.01142857 oz.
- How do I convert ounces to grains?
- To convert oz to gr, multiply the value in ounces by 437.5. Or open the Ounce to Grain converter, which does it for you.
- What is 10 gr in oz, and what is 100 gr?
- 10 gr = 0.02285714 oz, and 100 gr = 0.22857143 oz. The table above lists more values from 1 to 1,000.
- Is this gr to oz converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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